package com.heima.controller;

import com.heima.constant.MessageConstant;
import com.heima.entity.Result;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.User;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/user")
public class UserController {

    @RequestMapping("/getUsername")
    public Result getUsername(){

            User user = (User) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
            if (user!=null){
                String username = user.getUsername();
                return new Result(true, MessageConstant.GET_USERNAME_SUCCESS,username);
            }

            return new Result(false, MessageConstant.GET_USERNAME_FAIL);

    }
}
